Question

I need help with this problem i was also given a table with numbers I sent it in earlier

Step 1

A normal distribution is given with mean µ = 6.84 and standard deviation σ = 1.55.

*Empirical Rule:*

If a population has bell shaped distribution with mean µ and standard deviation *σ* ;

- Approximately 68% of the observations lie between µ - σ and µ + σ.
- Approximately 95% of the observations lie between µ - 2σ and µ + 2σ.
- Approximately all of the observations lie between µ - 3σ and µ + 3σ.

Step 2

1.

Normal distribution is a bell shaped distribution. Here using the empirical rule, the three limits for the distribution are,

Step 3

Putting the scaling in ...

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Sorry about that. What wasn’t helpful?